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1. A "Qualified but Rejected by the Customer" Qualification Test A manufacturing company conducted a reliability qualifi…
1. Handing Over 5 Failure Points to Software Yields a "Lifespan Conclusion" A batch of electric actuators from a manufac…
The customer requests a special characteristics list. The quality department copies one from the drawings, the design en…
1. Treating 1000 Hours at 125°C as "Equivalent to 20 Years" A manufacturing company was conducting a life test for a pro…
1. How "MTBF 50,000 Hours" Was Misinterpreted as "Can Be Used for Over 5 Years" A manufacturing company participated in …
1. An Expired List for Two Years A certain electronics manufacturing company underwent a customer audit. The auditor did…
A car sensor produced by an electronics manufacturing company was questioned by a customer quality engineer during a new…
A wire harness connector produced by an automotive parts company received a batch of complaints about pin withdrawal in …
1. A Drawing Without Burr Annotations Led to the Loss of Three Batches of Goods A stamping bracket component of an autom…
1. The Question at the Audit Site A certain automotive parts company was undergoing a customer process audit. The audito…
1. The Question at the Audit Table: "What is the Cpk for This CC?" A process audit was conducted at an automotive parts …
1. DFMEA Filled with Measures, but Sample Verification Only Conducts General Tests A car parts manufacturer discovered a…